Science

Friday, 17 July 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Anorexia Nervosa
The exact cause of anorexia is not yet known.
It is thought to consist of a combination of biological, psychological, and environmental factors.
Cosmos
The Sun has a diameter of 1.392.684 kilometers.
It is about 109 times larger than the Earth and its mass is approximately 333.000 Earth masses. The Sun accounts for about 99.86 percent of the mass of the solar system.
NASA
In July 1975, NASA launched a joint mission with the Soviet Union, called the Apollo-Soyuz Test Project.
The mission was a symbol of détente during the Cold War. Moreover, it was the last crewed U.S. spaceflight in a space capsule until 2020.
lava
During a volcanic eruption, several hundred cubic meters of lava are usually ejected.
These volumes can vary, sometimes being very large, such as during the eruption of the Laki rift vol ...
Enceladus
In the equatorial region, the thickness of the Enceladus ice sheet is approximately 35 km.
Moon
There are many theories about the formation of the Moon, but the most probable is that in the early days of the Solar System, the proto-Earth collided with a celestial body the size of Mars, and this impact generated enough energy to throw enough material into Earth's orbit to form the Moon.
Brain
The brain develops and matures until around the age of 25.
During the first year of life, an infant's brain enlarges threefold.
Graphene
Nowadays, scientists are interested in a single layer of graphite carbon atoms.
In graphite, each carbon atom is connected to three other atoms and all these bonds lie in one plane ...
Phobos
Phobos’ orbit decreases by about 1,8 meters every 100 years.
In about 50 million years, the moon could be torn apart by Mars’ tidal forces or fall to its surface.
Moon
Up to 14.000 square kilometers of the Moon's surface may remain in perpetual shadow.
Water is most likely to be present in these places.